18534978

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:380

約数の個数: 96

約数和(自身を含む): 51397632

約数和(自身を除く): 32862654

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 43, 63, 66, 77, 86, 99, 126, 129, 154, 198, 231, 258, 301, 311, 387, 462, 473, 602, 622, 693, 774, 903, 933, 946, 1386, 1419, 1806, 1866, 2177, 2709, 2799, 2838, 3311, 3421, 4257, 4354, 5418, 5598, 6531, 6622, 6842, 8514, 9933, 10263, 13062, 13373, 19593, 19866, 20526, 23947, 26746, 29799, 30789, 39186, 40119, 47894, 59598, 61578, 71841, 80238, 93611, 120357, 143682, 147103, 187222, 215523, 240714, 280833, 294206, 431046, 441309, 561666, 842499, 882618, 1029721, 1323927, 1684998, 2059442, 2647854, 3089163, 6178326, 9267489, 18534978]

約数ペア:

[(1, 18534978), (2, 9267489), (3, 6178326), (6, 3089163), (7, 2647854), (9, 2059442), (11, 1684998), (14, 1323927), (18, 1029721), (21, 882618), (22, 842499), (33, 561666), (42, 441309), (43, 431046), (63, 294206), (66, 280833), (77, 240714), (86, 215523), (99, 187222), (126, 147103), (129, 143682), (154, 120357), (198, 93611), (231, 80238), (258, 71841), (301, 61578), (311, 59598), (387, 47894), (462, 40119), (473, 39186), (602, 30789), (622, 29799), (693, 26746), (774, 23947), (903, 20526), (933, 19866), (946, 19593), (1386, 13373), (1419, 13062), (1806, 10263), (1866, 9933), (2177, 8514), (2709, 6842), (2799, 6622), (2838, 6531), (3311, 5598), (3421, 5418), (4257, 4354)]